// -*- Mode: C++; indent-tabs-mode: nil; c-basic-offset: 2 -*-

/* Copyright (C) 2007 The gtkmm Development Team
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <gio/gio.h>
#include "slot_async.h"

namespace Gio
{

#ifdef GLIBMM_EXCEPTIONS_ENABLED
guchar DataInputStream::read_byte()
#else
guchar DataInputStream::read_byte(std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
  GError* gerror = 0;
  guchar retvalue = g_data_input_stream_read_byte(gobj(), NULL, &(gerror));
#ifdef GLIBMM_EXCEPTIONS_ENABLED
  if(gerror)
    ::Glib::Error::throw_exception(gerror);
#else
  if(gerror)
    error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED

  return retvalue;
}

#ifdef GLIBMM_EXCEPTIONS_ENABLED
gint16 DataInputStream::read_int16()
#else
gint16 DataInputStream::read_int16(std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
  GError* gerror = 0;
  gint16 retvalue = g_data_input_stream_read_int16(gobj(), NULL, &(gerror));
#ifdef GLIBMM_EXCEPTIONS_ENABLED
  if(gerror)
    ::Glib::Error::throw_exception(gerror);
#else
  if(gerror)
    error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED

  return retvalue;
}

#ifdef GLIBMM_EXCEPTIONS_ENABLED
guint16 DataInputStream::read_uint16()
#else
guint16 DataInputStream::read_uint16(std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
  GError* gerror = 0;
  guint16 retvalue = g_data_input_stream_read_uint16(gobj(), NULL, &(gerror));
#ifdef GLIBMM_EXCEPTIONS_ENABLED
  if(gerror)
    ::Glib::Error::throw_exception(gerror);
#else
  if(gerror)
    error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED

  return retvalue;
}

#ifdef GLIBMM_EXCEPTIONS_ENABLED
gint32 DataInputStream::read_int32()
#else
gint32 DataInputStream::read_int32(std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
  GError* gerror = 0;
  gint32 retvalue = g_data_input_stream_read_int32(gobj(), NULL, &(gerror));
#ifdef GLIBMM_EXCEPTIONS_ENABLED
  if(gerror)
    ::Glib::Error::throw_exception(gerror);
#else
  if(gerror)
    error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED

  return retvalue;
}

#ifdef GLIBMM_EXCEPTIONS_ENABLED
guint32 DataInputStream::read_uint32()
#else
guint32 DataInputStream::read_uint32(std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
  GError* gerror = 0;
  guint32 retvalue = g_data_input_stream_read_uint32(gobj(), NULL, &(gerror));
#ifdef GLIBMM_EXCEPTIONS_ENABLED
  if(gerror)
    ::Glib::Error::throw_exception(gerror);
#else
  if(gerror)
    error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED

  return retvalue;
}

#ifdef GLIBMM_EXCEPTIONS_ENABLED
gint64 DataInputStream::read_int64()
#else
gint64 DataInputStream::read_int64(std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
  GError* gerror = 0;
  gint64 retvalue = g_data_input_stream_read_int64(gobj(), NULL, &(gerror));
#ifdef GLIBMM_EXCEPTIONS_ENABLED
  if(gerror)
    ::Glib::Error::throw_exception(gerror);
#else
  if(gerror)
    error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED

  return retvalue;
}

#ifdef GLIBMM_EXCEPTIONS_ENABLED
guint64 DataInputStream::read_uint64()
#else
guint64 DataInputStream::read_uint64(std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
  GError* gerror = 0;
  guint64 retvalue = g_data_input_stream_read_uint64(gobj(), NULL, &(gerror));
#ifdef GLIBMM_EXCEPTIONS_ENABLED
  if(gerror)
    ::Glib::Error::throw_exception(gerror);
#else
  if(gerror)
    error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED

  return retvalue;
}

#ifdef GLIBMM_EXCEPTIONS_ENABLED
bool DataInputStream::read_line(std::string& line, const Glib::RefPtr<Cancellable>& cancellable)
#else
bool DataInputStream::read_line(std::string& line, const Glib::RefPtr<Cancellable>& cancellable, std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
  GError* gerror = 0;
  char* c_line = g_data_input_stream_read_line(gobj(),
                                               NULL, // pass NULL since we can easily determine the length from the returned std::string
                                               cancellable->gobj(),
                                               &gerror);
#ifdef GLIBMM_EXCEPTIONS_ENABLED
  if(gerror)
    ::Glib::Error::throw_exception(gerror);
#else
  if(gerror)
    error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED
    if (c_line) {
        line = c_line;
        g_free (c_line);
        return true;
    }
    // end of stream reached, return failure status
    return false;
}

#ifdef GLIBMM_EXCEPTIONS_ENABLED
bool DataInputStream::read_line(std::string& line)
#else
bool DataInputStream::read_line(std::string& line, std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
  GError* gerror = 0;
  char* c_line = g_data_input_stream_read_line(gobj(),
                                               NULL, // pass NULL since we can easily determine the length from the returned std::string
                                               NULL,
                                               &gerror);
#ifdef GLIBMM_EXCEPTIONS_ENABLED
  if(gerror)
    ::Glib::Error::throw_exception(gerror);
#else
  if(gerror)
    error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED
    if (c_line) {
        line = c_line;
        g_free(c_line);
        return true;
    }
    // end of stream reached, return failure status
    return false;
}


#ifdef GLIBMM_EXCEPTIONS_ENABLED
bool DataInputStream::read_until(std::string& data, const std::string& stop_chars, const Glib::RefPtr<Cancellable>& cancellable)
#else
bool DataInputStream::read_until(std::string& data, const std::string& stop_chars, const Glib::RefPtr<Cancellable>& cancellable, std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
  GError* gerror = 0;
  char* c_str = g_data_input_stream_read_until(gobj(),
                                               stop_chars.c_str(),
                                               NULL, // pass NULL since we can easily determine the length from the returned std::string
                                               cancellable->gobj(),
                                               &gerror);
#ifdef GLIBMM_EXCEPTIONS_ENABLED
  if(gerror)
    ::Glib::Error::throw_exception(gerror);
#else
  if(gerror)
    error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED
    if (c_str) {
        data = c_str;
        g_free (c_str);
        return true;
    }
    // end of stream reached, return failure status
    return false;
}

/** non-cancellable version of read_until()
 */
#ifdef GLIBMM_EXCEPTIONS_ENABLED
bool DataInputStream::read_until(std::string& data, const std::string& stop_chars)
#else
bool DataInputStream::read_until(std::string& data, const std::string& stop_chars, std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
  GError* gerror = 0;
  char* c_str = g_data_input_stream_read_until(gobj(),
                                               stop_chars.c_str(),
                                               NULL, // pass NULL since we can easily determine the length from the returned std::string
                                               NULL,
                                               &gerror);
#ifdef GLIBMM_EXCEPTIONS_ENABLED
  if(gerror)
    ::Glib::Error::throw_exception(gerror);
#else
  if(gerror)
    error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED
    if (c_str) {
        data = c_str;
        g_free (c_str);
        return true;
    }
    // end of stream reached, return failure status
    return false;
}

} // namespace Gio